Multilayer wire-grid polarizer
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United States of America Patent
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Aug 4, 2009
Grant Date -
Jun 8, 2006
app pub date -
Dec 6, 2004
filing date -
Dec 6, 2004
priority date (Note) -
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Abstract
A multilayer wire-grid polarizer for polarizing light includes a stack of thin film layers disposed over a substrate, including a wire-grid array of elongated metal elements having lengths longer than a wavelength of the light and a period less than half the wavelength of the light. One of the layers can include a thin film layer with a refractive index greater than a refractive index of the substrate. One of the thin film layers can include a dielectric array of non-metal elements.
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